Shivapurana 2.1.11.25

Śivapurāṇa (complete text) 2.1.11.25

vipraḥ kuryāddantakāṣṭhaṃ dvādaśāṅgulamānataḥ |
ekādaśāṅgulaṃ rājā vaiśyaḥ kuryāddaśāṅgulam ||